package com.eden.config;

import com.eden.handler.LoginInterceptor;
import lombok.extern.slf4j.Slf4j;
import com.eden.common.JacksonObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
    @Autowired
    private LoginInterceptor loginInterceptor;
    @Override
    protected void addCorsMappings(CorsRegistry registry) {
        //跨域配置
        registry.addMapping("/**").allowedOrigins("http://localhost8080:");

    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //拦截test接口，后续实际遇到需要拦截的接口时，在配置为真正的拦截接口
        registry.addInterceptor(loginInterceptor)
                .addPathPatterns("/test")
                .addPathPatterns("/comments/create/change")
                .addPathPatterns("/articles/publish");
    }

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始静态资源映射。。。");
//        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
//        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }
    /**
     * 扩展mvc框架的消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new
                MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使⽤Jackson将Java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将上⾯的消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0,messageConverter);

    }

}